Security System Keypad Interface Module
Interface PCB connecting PIN keypads to central alarm control for visual/audible arm/disarm feedback. Part of burglar alarm signaling under HTS 8531.90.90.01. Includes LED drivers.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If input/output units for ADP machines
Keypads as computer peripherals classify under data processing.
If control panels with pushbuttons
Boards with integrated switches may be control panels.
If wireless keypad transceivers
Radio-frequency enabled interfaces are telecom apparatus.
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Import Tips & Compliance
• UL 1023 listing for household burglar systems required documentation
• Declare matrix scanning for keypad vs display controller function
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